function ImgSize(Img,FitWidth,FitHeight,ShowFont,ImgStyle,FitSize){
var _Img = new Image();
_Img.src = Img.src;
if(_Img.width>0 && _Img.height>0){
	if(FitWidth!=null && FitHeight!=null){ //Ex:ImgSize(this,120,120)
         if(_Img.width/_Img.height>=FitWidth/FitHeight){
             if(_Img.width>FitWidth){
               Img.width = FitWidth;
               Img.height = (_Img.height*FitWidth)/_Img.width;
             }else{
               Img.width = _Img.width;
               Img.height = _Img.height;
             }
         }else{
             if(_Img.height>FitHeight){
               Img.height = FitHeight;
               Img.width = (_Img.width*FitHeight)/_Img.height;
             }else{
               Img.width = _Img.width;
               Img.height = _Img.height;
             }
         }
	}else{
		 if(FitWidth==null && FitHeight!=null){ //Ex:ImgSize(this,null,120)
			 Img.height = FitHeight;
		 }else if(FitWidth!=null && FitHeight==null){ //Ex:ImgSize(this,120,null)
			 Img.width = FitWidth;
		 }else if(FitWidth==null && FitHeight==null){ //Ex:ImgSize(this,null,null,'',0,120)
			 if(_Img.width/_Img.height<1){
			 	if(_Img.width>FitSize){Img.width = FitSize;
			 	}else{Img.width = _Img.width;}
			 }else{
			 	if(_Img.height>FitSize){Img.height = FitSize;
			 	}else{Img.height = _Img.height;}
			 }
		 }
	}
    if(ShowFont) Img.alt = ShowFont; //Ex:ImgSize(this,120,120,'')
    if(ImgStyle){ //Ex:ImgSize(this,120,120,'',1)
       Img.alt = "" + _Img.width + "" + _Img.height;
       Img.onclick = function(){window.open(this.src);}
       Img.style.cursor = "pointer";
	}
}
}